ICOM AT-140 Automatic Antenna Tuner | Sea-Tech Systems
AM/FM Automatic Antenna - TE Hirschmann Mobility | Mouser
Amazon.com: Audiotek Waterproof Universal Electric Power Automatic Antenna Car SUV AM FM Radio Mast Aerial 12V Made with Stainless Steel Built-in Imported Micro Relays, 3C-2V Coaxial Cable : Electronics
Automatic Antenna / Radio Aerial (stainless steel mast) - DeLorean Parts USA